ABO Test Practice
The ability of the eye to focus on objects at different distances - ✔✔Accommodation
Fresnel optics - ✔✔Press on prism
Frame material that resist stretching with heat - ✔✔Nylon
Bridge type that sprea
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ABO Test Practice
The ability of the eye to focus on objects at different distances - ✔✔Accommodation
Fresnel optics - ✔✔Press on prism
Frame material that resist stretching with heat - ✔✔Nylon
Bridge type that spreads weight over the greatest area - ✔✔Saddle
Amount of jump image is not affected by - ✔✔The seg inset
Double vision - ✔✔Diplopia
Modern AR coated lenses transmit how much light - ✔✔99.5%
Shortest wavelength - ✔✔Violet
The condition where Rays of light focus behind the retina - ✔✔Hyperopia
Condition where pressure inside the eye is dangerously high - ✔✔Glaucoma
In the frame boxing system,the distance from right lens geometric center to left lens geometric
center - ✔✔Frame PD
G-15 Lenses transmit how much light - ✔✔85%
What type of temple is best for active kids - ✔✔Riding bow
Heating a Zyl frame and quenching it in cold water causes it to - ✔✔Shrink
How many inches is .5 meters - ✔✔19.7
10 inches is approximately how many meters - ✔✔1/4
The index of refraction of a material - ✔✔The speed of light in air divided by the speed light in
the material
The multiple anti reflective of an AR lens stack are designed to - ✔✔Cause destructive
interference to different light colors
What kind of distortion is characteristic of a high minus lens - ✔✔Barrel
When calculating vertical imbalance, what does NOT need to be considered - ✔✔Cylinder
power in the 90 degree meridian
The index of refraction is lowest in - ✔✔Air
Light changing direction when passing from one clear medium to another - ✔✔Refraction
The wave particle duality means that light - ✔✔Displays both particle and wave behavior
Cloudiness of the crystalline lens - ✔✔Cataract
A patient with a PD of 65 chooses a 54-18 frame. What will the decentration be in each eye -
✔✔3.5mm in
Patient PD > - ✔✔Decentration is out
Patient PD < - ✔✔Decentration is in
Light passing through a prism is bent toward - ✔✔Base
What type of lens surface cannot be accurately measured with a lens clock - ✔✔Aspheric
Which has the longest wavelength - ✔✔Red
The wavelengths of light visible to humans is between - ✔✔380 and 750 nonometers
A -6.50 lens decentered 2 mm results and how much prism - ✔✔1.3
Lens power tolerance standards are defined by - ✔✔ANSI
The agency that regulates eye glasses and contact lenses - ✔✔FDA
What is the minimum center thickness for a minus lens in a pair of industrial safety glasses -
✔✔3.0 mm
Plastic and tempered glass lenses are considered to be - ✔✔Impact resistant
Which tint color most strongly absorbs blue light - ✔✔Yellow
Polarized lenses are most effective at blocking - ✔✔Horizontally polarized glare
Invisible bifocals can be described as - ✔✔Vanity lens
The Gelatinous material filling the central cavity of the eye - ✔✔Vitreous humor
A right eye obviously turning to the right is an example of - ✔✔Exotropia
Lensometers give accurate reading when - ✔✔▪️the eyepiece is focused
▪️properly calibrated
Looking below center of a minus lens results in base __ prism - ✔✔Down
An instant temperature check of the salt pan can be made with a - ✔✔Finger
The lighted lines that get focused in a lensometer - ✔✔Mires
Excessive base down prism OU can cause - ✔✔Feeling of walking down a hill
Corrected curve lenses attempt to maintain ocular curves between - ✔✔-4.00 to -6.00
The rule of thumb for minus lenses is to add approximately __ to the lens power to get the base
curve - ✔✔+6.00
To adjust nose pad arms opticians use - ✔✔▪️nose pad pliers
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